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Finding the Fourth Proportional to 114,010.63, 157,364.80 and 65,618.51

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Solution

The fourth proportional to 114,010.63, 157,364.80 and 65,618.51 is: 90,570.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,010.63 : 157,364.80 = 65,618.51 : x
  2. Step 2: Convert to fraction form
    114,010.63/157,364.80 = 65,618.51/x
  3. Step 3: Cross multiply
    114,010.63x = 157,364.80 × 65,618.51
  4. Step 4: Simplify right side
    114,010.63x = 10,326,043,702.45
  5. Step 5: Solve for x
    x = 10,326,043,702.45/114,010.63
  6. Step 6: Final answer
    x = 90,570.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.